PRODUCTION OF HIGH QUALITY QUARTZ SAND,申请号JP19880177145-传众专利搜索

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发明名称	PRODUCTION OF HIGH QUALITY QUARTZ SAND
摘要
申请公布号	JPH0230613(A)	申请公布日期	1990.02.01
申请号	JP19880177145	申请日期	1988.07.18
申请人	KAWATETSU MINING CO LTD	发明人	NANKOU TAKESHI;ISHIZAKI TETSUO;CHIBA YASUO
分类号	C01B33/12	主分类号	C01B33/12
代理机构		代理人
主权项
地址

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